18 results
Mytomes - Segmental Innervation of Muscles
Shoulder	Abduction	C5	Axillary Nerve
Shoulder	Adduction	C6-C8	Thoracodorsal Nerve
Elbow	Flexion	C5	Musculocutaneous Nerve
Elbow	Extension	C7	Radial Nerve
Wrist	Extension	C6	Radial Nerve
Fingers	Flexion	C8	Median Nerve
Fingers	Abduction	T1	Ulnar Nerve
Hip	Flexion	L2	Nerve to Psoas
Hip	Extension	S1	Inferior Gluteal
Nerve Wrist Extension ... Radial Nerve Fingers ... Abduction T1 Ulnar ... MuscleGroups #MSK #Orthopedics ... #Neurology #Diagnosis
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
ulnar displacernent ... Management: Digital ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
tendon distal to ... tender DIP joint ... Radiology #XRay #Diagnosis ... #Management #Hand ... #Orthopedics #MSK
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
X-Ray Mallet finger ... of extensor tendon ... thumb injury to ulnar ... XRay #Radiology #Wrist ... #differential #diagnosis
Eichhoff's Test in de Quervain's Tenosynovitis

1) Patient makes a fist with fingers wrapped around the thumb
2)
makes a fist with fingers ... ulnar deviates ... extensor pollicis ... brevis tendons. ... #sports #msk #orthopedics
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, resist extension of the 3rd digit,
") With the wrist ... digitorum muscle and ... tendon. ... Video by Danielle ... #msk #sports #orthopedics
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... Pronation - C7, C8 Wrist ... , C8 (radial) Finger ... aracteristic "claw hand ... Dermatomes #Myotomes #diagnosis
Maudsley's Test for Lateral Epicondylitis ("Tennis Elbow")

With the wrist prone, the patient attempts extension of the
") With the wrist ... digitorum muscle and ... tendon. ... #clinical #video ... #msk #sports #orthopedics
Extensor Carpi Ulnaris (ECU) Synergy Test for ECU Tendinitis

With the patient's hand supinated, the examiner grasps
middle finger with ... palpating the ECU tendon ... along the dorsal ulnar ... aspect of the wrist ... Tendinitis #clinical #video
Median Nerve Tension Test (Upper-Limb Neurodynamic Tests, ULNT2)

To assess for Median Nerve Peripheral Neuropathy

Elbow extension →
Neuropathy Elbow ... forearm supination → wrist ... dorsiflexion/finger ... ULTT2 #clinical #video ... #sports #msk #orthopedics